Math, asked by virus69461, 9 months ago

1+2+3+.....+n=91.find the value of n

Answers

Answered by jags21

4

Step-by-step explanation:

a=1

d =1

sn=91

can use formula

n/2(a+an)

mark it as brainest answer

:)

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Answered by tennetiraj86

5

Answer:

answer for the given problem is given

Attachments:

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